Barrier Dunes
| Barrier Dunes | |
|---|---|
  Barrier Dunes Location of Barrier Dunes in Massachusetts  Barrier Dunes Barrier Dunes (the United States) | |
| Highest point | |
| Elevation | 2 ft (0.61 m) |
| Coordinates | 41°34′22″N 69°59′20″W / 41.5728923°N 69.9889038°W[1] |
| Geography | |
| Location | Cape Cod, Massachusetts |
| Topo map | USGS Wellfleet |
Barrier Dunes is a mountain in Barnstable County, Massachusetts. It is located on Monomoy Island, 2.3 miles (3.7 km) north-northeast of Monomoy Point in the Town of Chatham.